White to almost white solid | Complying |
Assay | 98.5-101.5% |
Identity (IR) | Complying |
Melting point | 132-135°C |
Alkalinity | Complying |
Biuret | <= 0.1% |
Ammonium (NH4) | <= 0.05% |
Heavy metals (as Pb) | <= 0.001% |
Sulphated ash | <= 0.1% |
Loss on drying (105°C) | <= 1.0% |
Appearance of solution | Complying |